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Methods and Technical Key Points for Controlling Pests and Diseases of Oyster Mushrooms
In oyster mushroom cultivation, pests and diseases are a stumbling block. Recognizing and promptly controlling them is of great significance for normal production. Once pests and diseases are discovered, if measures are not taken in time, they will seriously affect oyster mushroom yields and sometimes cause total crop failure. Therefore, superior and highly resistant strains should be selected, scientific management should be strengthened, and environmental conditions that favor the growth of the mushroom fungus while disfavoring the reproduction of pests and diseases should be created, so as to prevent trouble before it happens. The following are introductions to the control methods for some common pests and diseases: 1. Diseases. Diseases commonly fall into the following two categories: (1) During the cultivation process,
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Identification and Control Methods of Common Oyster Mushroom Diseases
Why do some oyster mushrooms grow small white lumps in the later stage of growth? This occurs more in black varieties and rarely in grayish-white varieties. The same cultivation method and substrate were used. Why does this happen? How should this contaminant be controlled? Every stage of oyster mushroom production can suffer from contaminant contamination, and it must be controlled promptly. The common contaminants are mainly the following: (1) Bacteria mostly occur on the slant of mother cultures, while the harm to stock cultures and cultivation cultures is relatively mild. Bacterial contamination is characterized by rapid reproduction, generally becoming visible 10 to 24 hours after inoculation.
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How is pollution-free prevention and control of pests and diseases in oyster mushrooms carried out?
During oyster mushroom cultivation, infections by various contaminant fungi such as green mold, blue mold, Mucor and Neurospora can occur, as well as damage by various pests such as mushroom mites, mushroom flies and mushroom gnats, sometimes even causing total loss of yield. Oyster mushrooms are a fast-growing, fresh and tender food, so pesticides with long residual effects and highly toxic pesticides are not suitable for use. Adopting pollution-free prevention and control techniques to manage pests and diseases is of great significance for producing safe and healthy edible mushroom products. 1. Environmental hygiene The utensils and materials used for edible mushroom cultivation can be moved into the mushroom shed and fumigated in a sealed environment with formaldehyde to sterilize and kill insects, eliminating harmful fungal and insect sources. 2. Raw
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Detailed Explanation of New Management Techniques for Explosive Fruiting of Oyster Mushrooms
1. Tightening and oiling: Before using the machine, check whether all fastening parts are firm and whether all rotating parts are flexible. Apply grease to the universal joint cross, cutter bearing housings, press wheel bearing housings, etc., add gear oil to the gearbox, and apply lubricating oil to the chain drive and other rotating parts. 2. Use of the seed metering device. This machine uses a 16-slot semi-precision external groove wheel seed metering device for sowing wheat. When sowing corn, five of the wheat seed metering devices need to be replaced with corn seed metering devices, while the other five wheat seed metering devices are shut off. 3. Press wheel limit: during transport
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A detailed guide to oyster mushroom preservation techniques: this way they keep much longer
Under ordinary conditions oyster mushrooms are difficult to store and have a short shelf life. Two days after picking, oyster mushrooms lose water and their freshness drops sharply, the caps turn yellow and an off-odor appears. Whenever the fruiting peak comes, large quantities of fresh mushrooms flood the market at once, causing prices to fall sharply; on the other hand, in the off-season and in cities far from mushroom-growing areas, there is little mushroom supply and nothing to sell. For this reason, we carried out research on the storage and preservation of oyster mushrooms, briefly described below. Test materials: common oyster mushroom strains PL-32, PL-35 and Florida, all second-flush mushrooms, collected from farmers' mushroom gardens on the outskirts of Gutian County; the preserv
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How to keep oyster mushrooms fresh? Introduction to five common preservation methods
Fresh storage: Fresh oyster mushrooms picked after harvest are difficult to sell in the short term due to market influences, so the fresh storage method can be used. The storage time of fresh oyster mushrooms at room temperature is greatly affected by temperature and air humidity. When the room temperature is 3°C to 5°C and the relative air humidity is around 80%, fresh mushrooms can be stored for one week. When the quantity of mushrooms is small, the oyster mushrooms can be placed in a jar containing a small amount of cold water and the jar mouth sealed tightly; even if the temperature reaches 15°C to 16°C, they can be stored for about one week. The oyster mushrooms can also be completely immersed in cold water, but the water must be clean and hygienic, and the iron content of the water should be less than 2 milligrams per liter
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How to Keep Oyster Mushrooms Moisturized? Learn These Three Techniques
At present, growing oyster mushrooms in rural areas is fairly common, but yields are not high, mainly because after harvesting oyster mushrooms the water content of the substrate is low. But at this point the oyster mushroom mycelium has already spread throughout the entire substrate, making it very difficult to replenish water. How to keep the substrate moisturized and produce more mushrooms has become an important factor in whether oyster mushrooms can achieve high yields. There are three techniques: 1. Wall-style soil covering of mushroom logs for moisture retention. In the shed, lay a ridge of soil 15 to 20 cm thick along the length of the mushroom bags, and remove the plastic bags from the mushroom bags that have fully colonized and are about to fruit (these are called mushroom bags). Arrange the mushroom logs neatly
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Detailed Explanation of Moisture-Retaining High-Yield Cultivation Methods for Oyster Mushrooms
At present, oyster mushroom cultivation yields are often not high, and the quality is also less than ideal. The main reason is that moisture-retention measures during cultivation are not adequately implemented, especially the water content of the substrate after oyster mushroom harvest is not properly controlled, resulting in subsequent flushes yielding far less than the previous flush, and the mushroom quality becoming increasingly poor. How to achieve balanced, high and quality yields from each flush of oyster mushrooms, the key is to do a good job of scientific moisture retention in the substrate. 1. Wall-style casing soil moisture retention for mushroom logs: Lay a 15-20 cm thick earth ridge in the shed according to the length of the mushroom bags, remove the plastic bags from the spawn bags that are well-colonized and about to fruit, arrange the mushroom logs neatly on the earth ridge, cover each layer with 3-4 cm thick soil, spray water on both sides of the soil and smooth with mud, then arrange the second layer of mushroom logs and cover with soil. 6-9 layers can be arranged, and the topmost layer should still be covered with soil and smoothed. After building the wall, spray a heavy watering once to let the casing soil absorb enough water. This method can increase oyster mushroom yield by 50%-90%.
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What causes white lumps to grow on oyster mushrooms
In recent years, a serious new disease has occurred in oyster mushroom production. This disease mostly occurs after the first flush of mushrooms is harvested, and a small number of cases occur after the second and third flushes. When the disease first appears, a small number of white dots grow on the surface of the oyster mushroom substrate, forming nodule-like shapes that closely resemble undifferentiated oyster mushroom fruiting body primordia. They gradually grow larger and merge into a single mass, and later turn brown. The disease is highly contagious, and once it occurs, mushrooms no longer grow normally. Growers call this disease "white lump disease." According to relevant reports, this disease once occurred on shiitake logs in Japan and was called "large button
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Introduction and Main Characteristics of the Pleurotus ostreatus P89 Variety
Variety source: Introduced by the Edible Fungi Research Institute of the Liaoning Provincial Specialty Research Institute. Characteristics: Suitable for year-round cultivation; fruiting can occur from 0-28°C. Fast flush turnaround, relatively dark color, thick mushroom flesh. Relatively high biological efficiency; raw material cultivation can reach over 200%. P89 will serve as the main promoted variety for autumn and winter cultivation in 2001. Cultivation points: Introduced by the Lushun Agricultural Technology Extension Center from the Edible Fungi Research Institute of the Liaoning Provincial Specialty Research Institute. Suitable for corncob substrate cultivation. Trial and demonstration situation: Tieshan Town, Long
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